diff --git a/lib/rt64 b/lib/rt64
index e0ef59e..ec511c9 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit e0ef59eed7914d50706636453e069c507b2aa048
+Subproject commit ec511c99d266bd6b7c770c36ca6c025b306d481c